This sentence is a double one, but it has in it no tautology. The careful reader will soon discover a distinction; and it is not a distinction without a difference. "Unto us a child is born, unto us a S...

The captain of the ship looked into the dark night and saw faint lights in the distance. Immediately he told his signalman to send a message: "Alter your course 10 degrees south." Promptly a return message was received: "Alter your course 10 degrees north."
The captain...